Software Category

Best Free Secure Email Gateway Software

Software refers to the applications and programs that enable businesses to operate smoothly and securely. In today’s digital landscape, protecting email communications is paramount, and choosing the right secure email gateway software can make all the difference. Our Free Secure Email Gateway Software category offers a curated selection of the best secure email gateway software solutions, available at no cost. Whether you’re looking for robust secure email gateway tools, comprehensive secure email gateway solutions, or intuitive secure email gateway apps, you’ll find options that meet your business’s unique needs. These free tools help safeguard your organization against cyber threats by filtering spam, blocking phishing attempts, and ensuring compliance with data protection regulations. Implementing top-tier secure email gateway software enhances your email security infrastructure, reduces risks, and maintains trust with clients and partners. Explore our Free Secure Email Gateway Software category today to discover the ideal solutions that protect your communications. Secure your business’s email channels effortlessly with our expertly selected secure email gateway tools.

Note: Most of the products listed in this free Secure Email Gateway Software category offer free trial versions, though they have restrictions like time limits, fixed number of users, or limited features. For more options and features, compare and evaluate all-time Secure Email Gateway Software to find the best fit for you.
Trusted by thousands of businesses worldwide for unbiased software insights, verified reviews, and expert-curated rankings. Some listings may be sponsored. Learn how SoftwareWorld ensures transparency
★★★★★4.9 average rating from 19 reviews
Last Updated: August 31, 2026
  • All Software
  • 27 Software

Popular Picks in Secure Email Gateway Software

Avanan Logo

Avanan

   (5.0)

Barracuda Email Security Gateway Logo

Barracuda Email Security Gateway

   (4.5)

Complete Product Directory

List of Top Free Secure Email Gateway Software

Review each product’s overview, then open available tabs for buyer fit, use cases, features, integrations, pros and cons, and pricing.

Best Free Secure Email Gateway Software Products

Overview is available for every product. Additional tabs appear only when matching profile information exists.

25 products shown
#1

SMTP2GO

🏆 SW Recommended

Email delivery done right.

★★★★★ 5.0 (7 Reviews)
Visit Website ↗

Overview

SMTP2GO is an innovative email management software designed to help organizations optimize their email communications and deliverability. This platform offers a range of tools for email sending, tracking, and analytics, ensuring effective email operations. With SMTP2GO, users can...

Read more about SMTP2GO ↗
Free TrialAvailable Starting Price$15 Per month HeadquartersNew Zealand
#2

Avanan

🏆 SW Recommended
★★★★★ 5.0 (2 Reviews)
Visit Website ↗

Overview

Avanan is an advanced email security software designed to protect organizations from phishing attacks, malware, and other email threats. This comprehensive platform offers features such as realtime threat detection, encryption, and compliance management, enabling businesses to sa...

Read more about Avanan ↗
Free TrialAvailable Starting Price$4 Per user HeadquartersUnited States
#3

SpamTitan

🏆 SW Recommended

Cybersecurity solutions to protect your business

★★★★★ 5.0 (2 Reviews)
Visit Website ↗

Overview

SpamTitan is a robust antispam software solution designed to protect businesses from unwanted email threats, ensuring a secure and efficient email communication environment. This platform employs advanced filtering techniques to block spam, phishing attempts, and malware, allowin...

Read more about SpamTitan ↗
Free TrialAvailable Starting PriceContact Vendor HeadquartersIreland
#4

Libraesva Email Security

🏆 SW Recommended
★★★★★ 5.0 (2 Reviews)
Visit Website ↗

Overview

Libraesva Email Security is a robust email security solution designed to protect organizations from email-based threats, including phishing, malware, and spam. The software uses advanced filtering algorithms to analyze incoming email traffic, identifying and blocking malicious em...

Read more about Libraesva Email Security ↗
Free TrialAvailable Starting Price£5 Per year HeadquartersItaly
#5

Proofpoint Email Protection

🏆 SW Recommended
★★★★☆ 4.8 (2 Reviews)
Visit Website ↗

Overview

Proofpoint Email Protection is a premier Email Security Software designed to safeguard organizations from a diverse range of email-based threats, including phishing, malware, ransomware, and spam. It offers a comprehensive suite of tools for securing email communications, ensurin...

Read more about Proofpoint Email Protection ↗
Free TrialAvailable Starting PriceContact Vendor HeadquartersUnited States
#6

Barracuda Email Security Gateway

🏆 SW Recommended
★★★★☆ 4.5 (2 Reviews)
Visit Website ↗

Overview

Barracuda Email Security Gateway is a robust email security software that protects businesses from email-borne threats such as spam, viruses, and phishing attacks. It offers advanced filtering technology to block malicious emails before they reach the inbox, ensuring that only le...

Read more about Barracuda Email Security Gateway ↗
Free TrialAvailable Starting PriceContact Vendor HeadquartersUnited States
#7

Mail Assure

🏆 SW Recommended
★★★★☆ 4.4 (2 Reviews)
Visit Website ↗

Overview

Mail Assure is a robust anti-spam software designed to protect businesses from unwanted and malicious email threats, ensuring secure and efficient email communication. This comprehensive platform offers a suite of tools that filter out spam, phishing attempts, and other malicious...

Read more about Mail Assure ↗
Free TrialAvailable Starting Price$1 Per feautre HeadquartersUnited States
#8

Area 1

Write a Review
Visit Website ↗

Overview

Area 1 is a cutting-edge cybersecurity software designed to protect organizations from phishing attacks and other cyber threats. With its proactive approach, Area 1 identifies and mitigates risks before they reach users, enhancing overall security posture. The software features a...

Read more about Area 1 ↗
Free TrialAvailable Starting PriceContact Vendor HeadquartersUnited States
#9

Cisco Secure Email

🏆 SW Recommended

Secure your spot

Write a Review
Visit Website ↗

Overview

Cisco Secure Email is a robust Email Security Software designed to protect organizations from a wide range of email-based threats, including phishing, malware, and spam. It offers a comprehensive suite of tools for securing email communications, ensuring that sensitive informatio...

Read more about Cisco Secure Email ↗
Free TrialAvailable Starting PriceContact Vendor HeadquartersUnited States
#10

Zoho Mail

🏆 SW Recommended

A privacy-focused email solution for your organization

Write a Review
Visit Website ↗

Overview

Zoho Mail is a clean and ad-free email provider that puts privacy at its forefront. It increases email efficiency by providing practical features like Streams that let you comment and react to emails and Attachment Viewer that neatly organizes all your attachments in one place. ....

Read more about Zoho Mail ↗
Free Trial15 Days Starting Price₹99 Per month HeadquartersIndia
#11

Sophos Email

Write a Review
Visit Website ↗

Overview

Sophos Email is a robust email security software designed to protect organizations from phishing, malware, and other email-based threats. By using advanced machine learning and artificial intelligence, it scans incoming and outgoing emails for potential security risks, ensuring t...

Read more about Sophos Email ↗
Free TrialAvailable Starting PriceContact Vendor HeadquartersUnited States
#12

Clearswift SECURE Email Gateway

Write a Review
Visit Website ↗

Overview

Clearswift SECURE Email Gateway is a robust computer security solution designed to protect organizations from email-borne threats and data loss. This software provides advanced filtering capabilities to detect and block spam, malware, and phishing attempts, ensuring that only saf...

Read more about Clearswift SECURE Email Gateway ↗
Free TrialAvailable Starting Price$20 Per year HeadquartersUnited States
#13

Mailwise

Write a Review
Visit Website ↗

Overview

Mailwise is a sophisticated secure email gateway software designed to protect organizations from email-based threats while ensuring secure communication. This platform provides advanced filtering capabilities to detect and block spam, phishing attacks, and malicious attachments,...

Read more about Mailwise ↗
Free TrialNA Starting PriceContact Vendor HeadquartersJapan
#14

Security Gateway by MDaemon

Write a Review
Visit Website ↗

Overview

Security Gateway by MDaemon is a robust email security software designed to protect organizations from email-based threats such as spam, phishing, and malware. This platform offers comprehensive features, including advanced filtering, encryption, and real-time monitoring, ensurin...

Read more about Security Gateway by MDaemon ↗
Free TrialAvailable Starting Price$1 Per user HeadquartersUnited States
#16

UniSender

Write a Review
Visit Website ↗

Overview

UniSender is a powerful email marketing software designed to help businesses create, manage, and optimize their email campaigns with ease and efficiency. This comprehensive platform offers a suite of tools that enable users to design visually appealing emails using customizable t...

Read more about UniSender ↗
Free TrialNA Starting Price$10 Per month HeadquartersUkraine
#17

Zerospam

🏆 SW Recommended
Write a Review
Visit Website ↗

Overview

Zerospam is a cloudbased antispam software designed to protect businesses from email threats, including spam, phishing, and malware. Using advanced filtering technology, Zerospam accurately identifies and blocks malicious emails, preventing security breaches and data loss. The so...

Read more about Zerospam ↗
Free TrialAvailable Starting PriceContact Vendor HeadquartersGermany
#18

Inxmail

We turn your recipients into enthusiastic customers

Write a Review
Visit Website ↗

Overview

Inxmail is a robust email marketing software that empowers businesses to design, manage, and optimize their email campaigns effectively. With its user-friendly interface, Inxmail allows marketers to create visually appealing newsletters and promotional emails using customizable t...

Read more about Inxmail ↗
Free TrialAvailable Starting PriceContact Vendor HeadquartersGermany
#19

IRONSCALES

🏆 SW Recommended
Write a Review
Visit Website ↗

Overview

IRONSCALES is a robust email security software solution designed to protect organizations from phishing attacks, malware, and other email-based threats. The platform uses advanced machine learning algorithms to detect and block malicious emails in real-time, providing an added la...

Read more about IRONSCALES ↗
Free TrialAvailable Starting Price$6 Per feautre HeadquartersIsrael
#20

Paubox Email Suite

Write a Review
Visit Website ↗

Overview

Paubox Email Suite is a specialized email marketing software focused on providing secure, HIPAA-compliant email communication for healthcare organizations. It allows users to send encrypted emails directly to recipients’ inboxes without requiring additional login steps, making it...

Read more about Paubox Email Suite ↗
Free TrialAvailable Starting Price$29 Per feautre HeadquartersUnited States
#21

ALTOSPAM

Write a Review
Visit Website ↗

Overview

ALTOSPAM is a robust Anti-Spam Software designed to protect businesses and individuals from unwanted and malicious email communications effectively. It offers a comprehensive platform for filtering, blocking, and managing spam emails, ensuring that inboxes remain secure and clutt...

Read more about ALTOSPAM ↗
Free TrialAvailable Starting Price€9 Per user HeadquartersFrance
#22

modusCloud

Write a Review
Visit Website ↗

Overview

modusCloud is an advanced email security software designed to protect organizations from various email threats, including phishing, malware, and data breaches. This comprehensive solution employs machine learning and artificial intelligence to analyze email traffic in real time,...

Read more about modusCloud ↗
Free TrialAvailable Starting PriceContact Vendor HeadquartersCanada
#23

Delivery Trust

Write a Review
Visit Website ↗

Overview

Delivery Trust is an advanced email management software designed to enhance the security and efficiency of email communications. This platform provides comprehensive tools for managing email delivery, ensuring that important messages are sent and received securely. Users can trac...

Read more about Delivery Trust ↗
Free TrialAvailable Starting Price$7.95 Per user HeadquartersUnited States
#24

Mailock

Write a Review
Visit Website ↗

Overview

Mailock is an Email Security Software that helps organizations protect sensitive email communications through encryption and secure delivery mechanisms. It enables businesses to send encrypted emails that can only be accessed by the intended recipient, ensuring confidentiality an...

Read more about Mailock ↗
Free TrialAvailable Starting PriceContact Vendor HeadquartersUnited Kingdom
#25

Matrix Gate

Write a Review
Visit Website ↗

Overview

Matrix Gate is a robust secure email gateway software designed to protect organizations from email-based threats while ensuring secure communication. This platform provides advanced filtering capabilities to detect and block spam, phishing attacks, and malicious attachments, safe...

Read more about Matrix Gate ↗
Free TrialNA Starting PriceContact Vendor HeadquartersJapan

Why Trust SoftwareWorld

At SoftwareWorld, we believe choosing the right software or service partner should be based on clarity, credibility, and real insights, not marketing noise. Our mission is to help businesses make confident, data-driven decisions through unbiased research and structured evaluation.

We combine expert analysis, real user feedback, and market data to ensure every recommendation delivers practical value and helps buyers discover the most relevant solutions for their needs.

Our Review & Evaluation Process

Every software product and service provider listed on SoftwareWorld is evaluated through a multi-layered approach designed to highlight quality, relevance, and practical value.

  • Verified user reviews and real-world feedback
  • Product capabilities and core use cases
  • Industry relevance and business fit
  • Feature depth and innovation, including AI capabilities where applicable
  • Market presence and vendor credibility

For service providers, we also review project portfolios, case studies, specialization areas, and delivery capabilities to help buyers compare partners more effectively.

How We Ensure Authentic Reviews

We prioritize review quality and reliability so buyers can make decisions based on genuine experiences rather than inflated or misleading signals.

  • Reviews are assessed for quality, relevance, and duplication patterns
  • Suspicious, low-quality, or biased submissions are filtered or removed
  • Ongoing monitoring helps maintain long-term review integrity

This helps SoftwareWorld maintain a review environment focused on useful, decision-supporting insights.

Transparent Rankings, Not Pay-to-Win

SoftwareWorld does not rank products or service providers solely based on payments. Our category visibility is shaped by a mix of relevance, category fit, capabilities, market signals, and user value.

  • Category relevance and specialization
  • Product or service quality signals
  • User feedback and engagement trends
  • Business use case fit and market demand

Sponsored or featured placements, where applicable, are clearly identified to maintain transparency for buyers.

Built for Better Business Decisions

SoftwareWorld is designed to help buyers move from discovery to shortlist with confidence by offering structured comparisons, practical use case insights, and category-specific guidance.

  • Clear comparison-focused content
  • Practical use case coverage
  • Decision-ready information for faster evaluation

Our goal is to reduce research friction and make it easier for businesses to choose solutions that match their real operational needs.

Our Commitment to Trust

We continuously improve our systems to maintain data accuracy, content transparency, and fair visibility across our platform. SoftwareWorld helps businesses discover, compare, and choose the right software and service partners through unbiased insights, structured evaluation, and real-world use cases.